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# rustc version
rustc 1.92.0-nightly (a9d0a6f15 2025-09-16)# docs.rs version
docsrs 0.6.0 (f42173de 2025-09-12)# build log
[INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace-builder/builds/rocket_contrib_codegen-0.4.11/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace-builder/builds/rocket_contrib_codegen-0.4.11/source:/opt/rustwide/workdir:ro,Z" "-v" "/home/cratesfyi/workspace-builder/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/home/cratesfyi/workspace-builder/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "DOCS_RS=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "6442450944" "--cpus" "6" "--user" "1001:1001" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20250916-1.92.0-nightly-a9d0a6f15\", \"--static-root-path\", \"/-/rustdoc.static/\", \"--cap-lints\", \"warn\", \"--extern-html-root-takes-precedence\"]" "--offline" "-Zunstable-options" "--config=doc.extern-map.registries.crates-io=\"https://docs.rs/{pkg_name}/{version}/x86_64-unknown-linux-gnu\"" "-Zrustdoc-scrape-examples" "-j6", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ccdbee84c15a8998672d03e910ad2791a2c01d6caf95648adec3cabc987f5808
[INFO] running `Command { std: "docker" "start" "-a" "ccdbee84c15a8998672d03e910ad2791a2c01d6caf95648adec3cabc987f5808", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op
[INFO] [stderr] Compiling devise_core v0.2.1
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/devise_core-0.2.1/src/lib.rs:2:12
[INFO] [stderr] |
[INFO] [stderr] 2 | #![feature(concat_idents)]
[INFO] [stderr] | ^^^^^^^^^^^^^ feature has been removed
[INFO] [stderr] |
[INFO] [stderr] = note: removed in 1.90.0; see <https://github.com/rust-lang/rust/pull/142704> for more information
[INFO] [stderr] = note: use the `${concat(..)}` metavariable expression instead
[INFO] [stderr]
[INFO] [stderr] error: cannot find macro `concat_idents` in this scope
[INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/devise_core-0.2.1/src/generator.rs:29:39
[INFO] [stderr] |
[INFO] [stderr] 29 | $(self.$vec.push(Box::new(concat_idents!(default_, $get_f)));)*
[INFO] [stderr] | ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 193 | / mappers! {
[INFO] [stderr] 194 | | (map_struct, try_map_struct, struct_mapper): Struct, struct_mappers,
[INFO] [stderr] 195 | | (map_enum, try_map_enum, enum_mapper): Enum, enum_mappers,
[INFO] [stderr] 196 | | (map_variant, try_map_variant, variant_mapper): Variant, variant_mappers,
[INFO] [stderr] 197 | | (map_fields, try_map_fields, fields_mapper): Fields, fields_mappers,
[INFO] [stderr] 198 | | (map_field, try_map_field, field_mapper): Field, field_mappers
[INFO] [stderr] 199 | | }
[INFO] [stderr] | |_____- in this macro invocation
[INFO] [stderr] |
[INFO] [stderr] = note: this error originates in the macro `mappers` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr]
[INFO] [stderr] For more information about this error, try `rustc --explain E0557`.
[INFO] [stderr] error: could not compile `devise_core` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `devise_core` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ccdbee84c15a8998672d03e910ad2791a2c01d6caf95648adec3cabc987f5808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccdbee84c15a8998672d03e910ad2791a2c01d6caf95648adec3cabc987f5808", kill_on_drop: false }`
[INFO] [stdout] ccdbee84c15a8998672d03e910ad2791a2c01d6caf95648adec3cabc987f5808